Secret Chest
When you have the Carpe Retractum Spell go to the shortcut through to the fourth floor.
Beat the Pixies and use Carpe Retractum on the hook.
When you have go behind it and open the chest.
It should be a Folio Bruti Page or a Wizard Card
Hope it Helped.
More tricks, tips and cheats for this game are right here - Harry Potter and the Prisoner of Azkaban cheats
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